Patient presentation: As a young adult (age 21 years), keen kite surfer Jacob was crushed by a tree and suffered life-threatening trauma. The damage to his hip was so severe that a complex surgical implant was needed. This was pieced together during surgery from a selection of parts and allowed Jacob to walk and kite surf again. After more than 20 …

Patient presentation: At 67 years of age, Evelyn had been in constant pain due to the failure of her two previous hip replacements. Suffering from developmental hip dysplasia her whole life, Evelyn underwent her first hip replacement at age 37 years. This was revised at age 52 years when a new plastic liner was inserted. Polyethylene wear debris from the two …